Solicitação de exame técnico
#4.1
09/05/1989
RPI 985
The letters patent expired on 03/26/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants
Produtos Eletrônicos Frata Ltda
SP, BR
Inventors
M. T. (pessoa física)
BR
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